1.A rebound or skipping, as of a bullet bouncing off a hard surface, or off the ground when a gun is fired at a low angle of elevation, or of a flat stone thrown along the surface of water.
2.A peculiar gait used by certain animals such as the kangaroo who move by a type of bouncing motion. "Kangaroos and wallabies (macropodids) as well as kangaroo mice and jerboas, locate themselves differently, though, and do not use the forelimbs at all in their distinctive modus locatus, to which Muybridge applied the term "ricochet",..."